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-rw-r--r--net/ipv4/tcp_vegas.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/net/ipv4/tcp_vegas.h b/net/ipv4/tcp_vegas.h
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1/*
2 * TCP Vegas congestion control interface
3 */
4#ifndef __TCP_VEGAS_H
5#define __TCP_VEGAS_H 1
6
7/* Vegas variables */
8struct vegas {
9 u32 beg_snd_nxt; /* right edge during last RTT */
10 u32 beg_snd_una; /* left edge during last RTT */
11 u32 beg_snd_cwnd; /* saves the size of the cwnd */
12 u8 doing_vegas_now;/* if true, do vegas for this RTT */
13 u16 cntRTT; /* # of RTTs measured within last RTT */
14 u32 minRTT; /* min of RTTs measured within last RTT (in usec) */
15 u32 baseRTT; /* the min of all Vegas RTT measurements seen (in usec) */
16};
17
18extern void tcp_vegas_init(struct sock *sk);
19extern void tcp_vegas_state(struct sock *sk, u8 ca_state);
20extern void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, ktime_t last);
21extern void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event);
22extern void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb);
23
24#endif /* __TCP_VEGAS_H */